SAN JOSE — Sharks coach Pete DeBoer wanted to see his prospects begin to look comfortable with his system against the Vancouver Canucks, and his more-experienced players demonstrate that they haven’t forgotten about the details.

Both groups had a hand in the Sharks’ 3-2 overtime win Tuesday night at SAP Center.

The Sharks generated plenty of scoring chances before Tommy Wingels scored with 22.6 seconds left in the third period to tie the game and send it into overtime. From there, Kevin Labanc scored with 3:55 left in the extra session as San Jose opened the preseason on a positive note before an announced crowd of 14,865.

The Sharks finished with 33 shots to Vancouver’s 15 as a lineup filled mostly with roster hopefuls like Labanc pocketed a workmanlike victory.

“We stuck with it all night,” DeBoer said. “It took us overtime, 60-plus minutes. But we kept sticking with it and found a way to win.”

Labanc also assisted on forward Barclay Goodrow’s second-period goal for the Sharks. The two forwards were among four players who each had three shots through the first 40 minutes.

Labanc, the Sharks’ sixth-round draft choice in 2014, was the Ontario Hockey League’s scoring champion last season with 127 points in 65 games for the Barrie Colts. The 20-year-old native of Staten Island, New York faces an uphill battle to make the Sharks out of camp, but he made his presence known Tuesday in 15:14 of ice time.

“It’s hard to find guys who create offense, and this guy creates offense,” DeBoer said of Labanc. “We’re going to keep working on rounding out his game and where he has to work on that is yet to be determined, but it’s a good start for him.”

Bo Horvat scored in the first period, and Sven Baertschi scored 8:24 into the third period to give the Canucks a 2-1 lead.

On San Jose’s first goal, Labanc fired a shot toward the Canucks net that Goodrow corralled with his stick and moved to his forehand before he beat Michael Gartieg to tie the game 1-1 with 6:00 left in the second.

The tilted ice early on didn’t leave much work for Sharks goalie Troy Grosenick, who allowed Horvat’s goal on the second Canucks shot of the game 2:06 into the first period.

Grosenick, in a competition primarily with Aaron Dell to be the Sharks’ No. 2 goalie, finished with seven saves as he stayed in the game until the midway point of the second period. He was replaced by Mantas Armalis, who had six saves.

“Guys did a great job in front of me tonight, obviously, with the limited work,” Grosenick said. “Now I just go back out, practice hard and see what happens.”

The Sharks host Arizona on Friday in their next preseason game, followed by a game against the Canucks in Vancouver on Sunday. After that, the number of players in camp will probably be trimmed significantly as the Sharks pivot toward preparing for the regular season.

“There’s some talented kids there, kids that can create offense and have some speed,” DeBoer said. “That’s exciting as a coach. Whether they’re ready or not is yet to be determined, but it’s a much deeper group, talent-wise, than it was last year.”

• Captain Joe Pavelski and forward Joonas Donskoi took part in a brief morning skate with the players that dressed for the Sharks’ preseason opener. Donskoi and Pavelski did not play in the game as they recently returned from the World Cup.

Both Pavelski and Team USA and Donskoi and Team Finland were 0-3 in the World Cup, failing to advance out of the round robin.

Pavelski will likely be a full participant in camp by Tuesday after a day off Monday. DeBoer said Donskoi will probably be incorporated a little earlier, considering it’s just his second NHL season.

• The Sharks’ top line Tuesday night featured center Chris Tierney with wingers Wingels and Nikolay Goldobin. Tierney’s a solid bet to be in the opening night lineup Oct. 12 against Los Angeles, and Goldobin is the 2014 first-round draft choice looking to break into the NHL full time.

Wingels, though, hopes to re-establish himself as a reliable forward that can again chip in offensively, kill penalties and provide a certain degree of physicality. He has 114 points in 300 NHL games, but is coming off a season in which he had just 18 points in 68 games.

“It could have been a lot better, and it starts with me and not producing and playing the way I want to play,” Wingels said. “But it’s a new year, and with a new year comes a new opportunity to show that you can be better.”

• The Sharks made their first cuts since training camp began, sending defenseman Jalen Chatfield and Manuel Wiederer back to their respective junior clubs. Chatfield was in camp on a tryout, and Wiederer was the Sharks’ fifth-round draft choice in June.

Curtis Pashelka is the San Jose Sharks reporter for the Bay Area News Group. Prior to covering the Sharks, Curtis served as the high school sports editor for the East Bay. He also worked as a general assignment reporter covering motorsports, golf and college basketball, and as a backup writer on the A's, Giants and Warriors. He started at the organization in 2000 and spent close to eight years covering high school sports.

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